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wined3d: Pass an IWineD3DResourceImpl pointer to device_resource_add().
[wine/testsucceed.git] / dlls / wined3d / context.c
blob8edcf6668d1925e1cd152036f0ba739b61898749
1 /*
2 * Context and render target management in wined3d
3 *
4 * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
5 * Copyright 2009-2010 Henri Verbeet for CodeWeavers
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include <stdio.h>
24 #ifdef HAVE_FLOAT_H
25 # include <float.h>
26 #endif
27 #include "wined3d_private.h"
28
29 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
30
31 static DWORD wined3d_context_tls_idx;
32
33 /* FBO helper functions */
34
35 /* GL locking is done by the caller */
36 void context_bind_fbo(struct wined3d_context *context, GLenum target, GLuint *fbo)
37 {
38 const struct wined3d_gl_info *gl_info = context->gl_info;
39 GLuint f;
40
41 if (!fbo)
42 {
43 f = 0;
44 }
45 else
46 {
47 if (!*fbo)
48 {
49 gl_info->fbo_ops.glGenFramebuffers(1, fbo);
50 checkGLcall("glGenFramebuffers()");
51 TRACE("Created FBO %u.\n", *fbo);
52 }
53 f = *fbo;
54 }
55
56 switch (target)
57 {
58 case GL_READ_FRAMEBUFFER:
59 if (context->fbo_read_binding == f) return;
60 context->fbo_read_binding = f;
61 break;
62
63 case GL_DRAW_FRAMEBUFFER:
64 if (context->fbo_draw_binding == f) return;
65 context->fbo_draw_binding = f;
66 break;
67
68 case GL_FRAMEBUFFER:
69 if (context->fbo_read_binding == f
70 && context->fbo_draw_binding == f) return;
71 context->fbo_read_binding = f;
72 context->fbo_draw_binding = f;
73 break;
74
75 default:
76 FIXME("Unhandled target %#x.\n", target);
77 break;
78 }
79
80 gl_info->fbo_ops.glBindFramebuffer(target, f);
81 checkGLcall("glBindFramebuffer()");
82 }
83
84 /* GL locking is done by the caller */
85 static void context_clean_fbo_attachments(const struct wined3d_gl_info *gl_info, GLenum target)
86 {
87 unsigned int i;
88
89 for (i = 0; i < gl_info->limits.buffers; ++i)
90 {
91 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, 0, 0);
92 checkGLcall("glFramebufferTexture2D()");
93 }
94 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
95 checkGLcall("glFramebufferTexture2D()");
96
97 gl_info->fbo_ops.glFramebufferTexture2D(target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
98 checkGLcall("glFramebufferTexture2D()");
99 }
100
101 /* GL locking is done by the caller */
102 static void context_destroy_fbo(struct wined3d_context *context, GLuint *fbo)
103 {
104 const struct wined3d_gl_info *gl_info = context->gl_info;
105
106 context_bind_fbo(context, GL_FRAMEBUFFER, fbo);
107 context_clean_fbo_attachments(gl_info, GL_FRAMEBUFFER);
108 context_bind_fbo(context, GL_FRAMEBUFFER, NULL);
109
110 gl_info->fbo_ops.glDeleteFramebuffers(1, fbo);
111 checkGLcall("glDeleteFramebuffers()");
112 }
113
114 /* GL locking is done by the caller */
115 static void context_apply_attachment_filter_states(IWineD3DSurfaceImpl *surface, DWORD location)
116 {
117 /* Update base texture states array */
118 if (surface->container.type == WINED3D_CONTAINER_TEXTURE)
119 {
120 IWineD3DBaseTextureImpl *texture_impl = surface->container.u.texture;
121 IWineD3DDeviceImpl *device = surface->resource.device;
122 BOOL update_minfilter = FALSE;
123 BOOL update_magfilter = FALSE;
124 struct gl_texture *gl_tex;
125
126 switch (location)
127 {
128 case SFLAG_INTEXTURE:
129 gl_tex = &texture_impl->baseTexture.texture_rgb;
130 break;
131
132 case SFLAG_INSRGBTEX:
133 gl_tex = &texture_impl->baseTexture.texture_srgb;
134 break;
135
136 default:
137 ERR("Unsupported location %s (%#x).\n", debug_surflocation(location), location);
138 IWineD3DBaseTexture_Release((IWineD3DBaseTexture *)texture_impl);
139 return;
140 }
141
142 if (gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3DTEXF_POINT
143 || gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3DTEXF_NONE)
144 {
145 gl_tex->states[WINED3DTEXSTA_MINFILTER] = WINED3DTEXF_POINT;
146 gl_tex->states[WINED3DTEXSTA_MIPFILTER] = WINED3DTEXF_NONE;
147 update_minfilter = TRUE;
148 }
149
150 if (gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3DTEXF_POINT)
151 {
152 gl_tex->states[WINED3DTEXSTA_MAGFILTER] = WINED3DTEXF_POINT;
153 update_magfilter = TRUE;
154 }
155
156 if (texture_impl->baseTexture.bindCount)
157 {
158 WARN("Render targets should not be bound to a sampler\n");
159 IWineD3DDeviceImpl_MarkStateDirty(device, STATE_SAMPLER(texture_impl->baseTexture.sampler));
160 }
161
162 if (update_minfilter || update_magfilter)
163 {
164 GLenum target, bind_target;
165 GLint old_binding;
166
167 target = surface->texture_target;
168 if (target == GL_TEXTURE_2D)
169 {
170 bind_target = GL_TEXTURE_2D;
171 glGetIntegerv(GL_TEXTURE_BINDING_2D, &old_binding);
172 }
173 else if (target == GL_TEXTURE_RECTANGLE_ARB)
174 {
175 bind_target = GL_TEXTURE_RECTANGLE_ARB;
176 glGetIntegerv(GL_TEXTURE_BINDING_RECTANGLE_ARB, &old_binding);
177 }
178 else
179 {
180 bind_target = GL_TEXTURE_CUBE_MAP_ARB;
181 glGetIntegerv(GL_TEXTURE_BINDING_CUBE_MAP_ARB, &old_binding);
182 }
183
184 glBindTexture(bind_target, gl_tex->name);
185 if (update_minfilter) glTexParameteri(bind_target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
186 if (update_magfilter) glTexParameteri(bind_target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
187 glBindTexture(bind_target, old_binding);
188 }
189
190 checkGLcall("apply_attachment_filter_states()");
191 }
192 }
193
194 /* GL locking is done by the caller */
195 void context_attach_depth_stencil_fbo(struct wined3d_context *context,
196 GLenum fbo_target, IWineD3DSurfaceImpl *depth_stencil, BOOL use_render_buffer)
197 {
198 const struct wined3d_gl_info *gl_info = context->gl_info;
199
200 TRACE("Attach depth stencil %p\n", depth_stencil);
201
202 if (depth_stencil)
203 {
204 DWORD format_flags = depth_stencil->resource.format->flags;
205
206 if (use_render_buffer && depth_stencil->current_renderbuffer)
207 {
208 if (format_flags & WINED3DFMT_FLAG_DEPTH)
209 {
210 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_DEPTH_ATTACHMENT,
211 GL_RENDERBUFFER, depth_stencil->current_renderbuffer->id);
212 checkGLcall("glFramebufferRenderbuffer()");
213 }
214
215 if (format_flags & WINED3DFMT_FLAG_STENCIL)
216 {
217 gl_info->fbo_ops.glFramebufferRenderbuffer(fbo_target, GL_STENCIL_ATTACHMENT,
218 GL_RENDERBUFFER, depth_stencil->current_renderbuffer->id);
219 checkGLcall("glFramebufferRenderbuffer()");
220 }
221 }
222 else
223 {
224 surface_prepare_texture(depth_stencil, gl_info, FALSE);
225 context_apply_attachment_filter_states(depth_stencil, SFLAG_INTEXTURE);
226
227 if (format_flags & WINED3DFMT_FLAG_DEPTH)
228 {
229 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT,
230 depth_stencil->texture_target, depth_stencil->texture_name,
231 depth_stencil->texture_level);
232 checkGLcall("glFramebufferTexture2D()");
233 }
234
235 if (format_flags & WINED3DFMT_FLAG_STENCIL)
236 {
237 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT,
238 depth_stencil->texture_target, depth_stencil->texture_name,
239 depth_stencil->texture_level);
240 checkGLcall("glFramebufferTexture2D()");
241 }
242 }
243
244 if (!(format_flags & WINED3DFMT_FLAG_DEPTH))
245 {
246 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
247 checkGLcall("glFramebufferTexture2D()");
248 }
249
250 if (!(format_flags & WINED3DFMT_FLAG_STENCIL))
251 {
252 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
253 checkGLcall("glFramebufferTexture2D()");
254 }
255 }
256 else
257 {
258 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
259 checkGLcall("glFramebufferTexture2D()");
260
261 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0);
262 checkGLcall("glFramebufferTexture2D()");
263 }
264 }
265
266 /* GL locking is done by the caller */
267 static void context_attach_surface_fbo(const struct wined3d_context *context,
268 GLenum fbo_target, DWORD idx, IWineD3DSurfaceImpl *surface, DWORD location)
269 {
270 const struct wined3d_gl_info *gl_info = context->gl_info;
271
272 TRACE("Attach surface %p to %u\n", surface, idx);
273
274 if (surface)
275 {
276 switch (location)
277 {
278 case SFLAG_INTEXTURE:
279 surface_prepare_texture(surface, gl_info, FALSE);
280 context_apply_attachment_filter_states(surface, location);
281 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
282 surface->texture_target, surface->texture_name, surface->texture_level);
283 break;
284
285 case SFLAG_INSRGBTEX:
286 surface_prepare_texture(surface, gl_info, TRUE);
287 context_apply_attachment_filter_states(surface, location);
288 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx,
289 surface->texture_target, surface->texture_name_srgb, surface->texture_level);
290 break;
291
292 default:
293 ERR("Unsupported location %s (%#x).\n", debug_surflocation(location), location);
294 break;
295 }
296 checkGLcall("glFramebufferTexture2D()");
297 }
298 else
299 {
300 gl_info->fbo_ops.glFramebufferTexture2D(fbo_target, GL_COLOR_ATTACHMENT0 + idx, GL_TEXTURE_2D, 0, 0);
301 checkGLcall("glFramebufferTexture2D()");
302 }
303 }
304
305 /* GL locking is done by the caller */
306 static void context_check_fbo_status(struct wined3d_context *context, GLenum target)
307 {
308 const struct wined3d_gl_info *gl_info = context->gl_info;
309 GLenum status;
310
311 status = gl_info->fbo_ops.glCheckFramebufferStatus(target);
312 if (status == GL_FRAMEBUFFER_COMPLETE)
313 {
314 TRACE("FBO complete\n");
315 } else {
316 IWineD3DSurfaceImpl *attachment;
317 unsigned int i;
318 FIXME("FBO status %s (%#x)\n", debug_fbostatus(status), status);
319
320 if (!context->current_fbo)
321 {
322 ERR("FBO 0 is incomplete, driver bug?\n");
323 return;
324 }
325
326 FIXME("\tLocation %s (%#x).\n", debug_surflocation(context->current_fbo->location),
327 context->current_fbo->location);
328
329 /* Dump the FBO attachments */
330 for (i = 0; i < gl_info->limits.buffers; ++i)
331 {
332 attachment = context->current_fbo->render_targets[i];
333 if (attachment)
334 {
335 FIXME("\tColor attachment %d: (%p) %s %ux%u\n",
336 i, attachment, debug_d3dformat(attachment->resource.format->id),
337 attachment->pow2Width, attachment->pow2Height);
338 }
339 }
340 attachment = context->current_fbo->depth_stencil;
341 if (attachment)
342 {
343 FIXME("\tDepth attachment: (%p) %s %ux%u\n",
344 attachment, debug_d3dformat(attachment->resource.format->id),
345 attachment->pow2Width, attachment->pow2Height);
346 }
347 }
348 }
349
350 static struct fbo_entry *context_create_fbo_entry(struct wined3d_context *context,
351 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
352 {
353 const struct wined3d_gl_info *gl_info = context->gl_info;
354 struct fbo_entry *entry;
355
356 entry = HeapAlloc(GetProcessHeap(), 0, sizeof(*entry));
357 entry->render_targets = HeapAlloc(GetProcessHeap(), 0, gl_info->limits.buffers * sizeof(*entry->render_targets));
358 memcpy(entry->render_targets, render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets));
359 entry->depth_stencil = depth_stencil;
360 entry->location = location;
361 entry->attached = FALSE;
362 entry->id = 0;
363
364 return entry;
365 }
366
367 /* GL locking is done by the caller */
368 static void context_reuse_fbo_entry(struct wined3d_context *context, GLenum target,
369 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil,
370 DWORD location, struct fbo_entry *entry)
371 {
372 const struct wined3d_gl_info *gl_info = context->gl_info;
373
374 context_bind_fbo(context, target, &entry->id);
375 context_clean_fbo_attachments(gl_info, target);
376
377 memcpy(entry->render_targets, render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets));
378 entry->depth_stencil = depth_stencil;
379 entry->location = location;
380 entry->attached = FALSE;
381 }
382
383 /* GL locking is done by the caller */
384 static void context_destroy_fbo_entry(struct wined3d_context *context, struct fbo_entry *entry)
385 {
386 if (entry->id)
387 {
388 TRACE("Destroy FBO %d\n", entry->id);
389 context_destroy_fbo(context, &entry->id);
390 }
391 --context->fbo_entry_count;
392 list_remove(&entry->entry);
393 HeapFree(GetProcessHeap(), 0, entry->render_targets);
394 HeapFree(GetProcessHeap(), 0, entry);
395 }
396
397
398 /* GL locking is done by the caller */
399 static struct fbo_entry *context_find_fbo_entry(struct wined3d_context *context, GLenum target,
400 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
401 {
402 const struct wined3d_gl_info *gl_info = context->gl_info;
403 struct fbo_entry *entry;
404
405 LIST_FOR_EACH_ENTRY(entry, &context->fbo_list, struct fbo_entry, entry)
406 {
407 if (!memcmp(entry->render_targets,
408 render_targets, gl_info->limits.buffers * sizeof(*entry->render_targets))
409 && entry->depth_stencil == depth_stencil && entry->location == location)
410 {
411 list_remove(&entry->entry);
412 list_add_head(&context->fbo_list, &entry->entry);
413 return entry;
414 }
415 }
416
417 if (context->fbo_entry_count < WINED3D_MAX_FBO_ENTRIES)
418 {
419 entry = context_create_fbo_entry(context, render_targets, depth_stencil, location);
420 list_add_head(&context->fbo_list, &entry->entry);
421 ++context->fbo_entry_count;
422 }
423 else
424 {
425 entry = LIST_ENTRY(list_tail(&context->fbo_list), struct fbo_entry, entry);
426 context_reuse_fbo_entry(context, target, render_targets, depth_stencil, location, entry);
427 list_remove(&entry->entry);
428 list_add_head(&context->fbo_list, &entry->entry);
429 }
430
431 return entry;
432 }
433
434 /* GL locking is done by the caller */
435 static void context_apply_fbo_entry(struct wined3d_context *context, GLenum target, struct fbo_entry *entry)
436 {
437 const struct wined3d_gl_info *gl_info = context->gl_info;
438 unsigned int i;
439
440 context_bind_fbo(context, target, &entry->id);
441
442 if (!entry->attached)
443 {
444 /* Apply render targets */
445 for (i = 0; i < gl_info->limits.buffers; ++i)
446 {
447 context_attach_surface_fbo(context, target, i, entry->render_targets[i], entry->location);
448 }
449
450 /* Apply depth targets */
451 if (entry->depth_stencil)
452 {
453 surface_set_compatible_renderbuffer(entry->depth_stencil,
454 entry->render_targets[0]->pow2Width, entry->render_targets[0]->pow2Height);
455 }
456 context_attach_depth_stencil_fbo(context, target, entry->depth_stencil, TRUE);
457
458 entry->attached = TRUE;
459 }
460 else
461 {
462 for (i = 0; i < gl_info->limits.buffers; ++i)
463 {
464 if (entry->render_targets[i])
465 context_apply_attachment_filter_states(entry->render_targets[i], entry->location);
466 }
467 if (entry->depth_stencil)
468 context_apply_attachment_filter_states(entry->depth_stencil, SFLAG_INTEXTURE);
469 }
470 }
471
472 /* GL locking is done by the caller */
473 static void context_apply_fbo_state(struct wined3d_context *context, GLenum target,
474 IWineD3DSurfaceImpl **render_targets, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
475 {
476 struct fbo_entry *entry, *entry2;
477
478 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_destroy_list, struct fbo_entry, entry)
479 {
480 context_destroy_fbo_entry(context, entry);
481 }
482
483 if (context->rebind_fbo)
484 {
485 context_bind_fbo(context, GL_FRAMEBUFFER, NULL);
486 context->rebind_fbo = FALSE;
487 }
488
489 if (render_targets)
490 {
491 context->current_fbo = context_find_fbo_entry(context, target, render_targets, depth_stencil, location);
492 context_apply_fbo_entry(context, target, context->current_fbo);
493 }
494 else
495 {
496 context->current_fbo = NULL;
497 context_bind_fbo(context, target, NULL);
498 }
499
500 context_check_fbo_status(context, target);
501 }
502
503 /* GL locking is done by the caller */
504 void context_apply_fbo_state_blit(struct wined3d_context *context, GLenum target,
505 IWineD3DSurfaceImpl *render_target, IWineD3DSurfaceImpl *depth_stencil, DWORD location)
506 {
507 if (location != SFLAG_INDRAWABLE || surface_is_offscreen(render_target))
508 {
509 UINT clear_size = (context->gl_info->limits.buffers - 1) * sizeof(*context->blit_targets);
510 context->blit_targets[0] = render_target;
511 if (clear_size) memset(&context->blit_targets[1], 0, clear_size);
512 context_apply_fbo_state(context, target, context->blit_targets, depth_stencil, location);
513 }
514 else
515 {
516 context_apply_fbo_state(context, target, NULL, NULL, location);
517 }
518 }
519
520 /* Context activation is done by the caller. */
521 void context_alloc_occlusion_query(struct wined3d_context *context, struct wined3d_occlusion_query *query)
522 {
523 const struct wined3d_gl_info *gl_info = context->gl_info;
524
525 if (context->free_occlusion_query_count)
526 {
527 query->id = context->free_occlusion_queries[--context->free_occlusion_query_count];
528 }
529 else
530 {
531 if (gl_info->supported[ARB_OCCLUSION_QUERY])
532 {
533 ENTER_GL();
534 GL_EXTCALL(glGenQueriesARB(1, &query->id));
535 checkGLcall("glGenQueriesARB");
536 LEAVE_GL();
537
538 TRACE("Allocated occlusion query %u in context %p.\n", query->id, context);
539 }
540 else
541 {
542 WARN("Occlusion queries not supported, not allocating query id.\n");
543 query->id = 0;
544 }
545 }
546
547 query->context = context;
548 list_add_head(&context->occlusion_queries, &query->entry);
549 }
550
551 void context_free_occlusion_query(struct wined3d_occlusion_query *query)
552 {
553 struct wined3d_context *context = query->context;
554
555 list_remove(&query->entry);
556 query->context = NULL;
557
558 if (context->free_occlusion_query_count >= context->free_occlusion_query_size - 1)
559 {
560 UINT new_size = context->free_occlusion_query_size << 1;
561 GLuint *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_occlusion_queries,
562 new_size * sizeof(*context->free_occlusion_queries));
563
564 if (!new_data)
565 {
566 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->id, context);
567 return;
568 }
569
570 context->free_occlusion_query_size = new_size;
571 context->free_occlusion_queries = new_data;
572 }
573
574 context->free_occlusion_queries[context->free_occlusion_query_count++] = query->id;
575 }
576
577 /* Context activation is done by the caller. */
578 void context_alloc_event_query(struct wined3d_context *context, struct wined3d_event_query *query)
579 {
580 const struct wined3d_gl_info *gl_info = context->gl_info;
581
582 if (context->free_event_query_count)
583 {
584 query->object = context->free_event_queries[--context->free_event_query_count];
585 }
586 else
587 {
588 if (gl_info->supported[ARB_SYNC])
589 {
590 /* Using ARB_sync, not much to do here. */
591 query->object.sync = NULL;
592 TRACE("Allocated event query %p in context %p.\n", query->object.sync, context);
593 }
594 else if (gl_info->supported[APPLE_FENCE])
595 {
596 ENTER_GL();
597 GL_EXTCALL(glGenFencesAPPLE(1, &query->object.id));
598 checkGLcall("glGenFencesAPPLE");
599 LEAVE_GL();
600
601 TRACE("Allocated event query %u in context %p.\n", query->object.id, context);
602 }
603 else if(gl_info->supported[NV_FENCE])
604 {
605 ENTER_GL();
606 GL_EXTCALL(glGenFencesNV(1, &query->object.id));
607 checkGLcall("glGenFencesNV");
608 LEAVE_GL();
609
610 TRACE("Allocated event query %u in context %p.\n", query->object.id, context);
611 }
612 else
613 {
614 WARN("Event queries not supported, not allocating query id.\n");
615 query->object.id = 0;
616 }
617 }
618
619 query->context = context;
620 list_add_head(&context->event_queries, &query->entry);
621 }
622
623 void context_free_event_query(struct wined3d_event_query *query)
624 {
625 struct wined3d_context *context = query->context;
626
627 list_remove(&query->entry);
628 query->context = NULL;
629
630 if (context->free_event_query_count >= context->free_event_query_size - 1)
631 {
632 UINT new_size = context->free_event_query_size << 1;
633 union wined3d_gl_query_object *new_data = HeapReAlloc(GetProcessHeap(), 0, context->free_event_queries,
634 new_size * sizeof(*context->free_event_queries));
635
636 if (!new_data)
637 {
638 ERR("Failed to grow free list, leaking query %u in context %p.\n", query->object.id, context);
639 return;
640 }
641
642 context->free_event_query_size = new_size;
643 context->free_event_queries = new_data;
644 }
645
646 context->free_event_queries[context->free_event_query_count++] = query->object;
647 }
648
649 typedef void (context_fbo_entry_func_t)(struct wined3d_context *context, struct fbo_entry *entry);
650
651 static void context_enum_surface_fbo_entries(IWineD3DDeviceImpl *device,
652 IWineD3DSurfaceImpl *surface, context_fbo_entry_func_t *callback)
653 {
654 UINT i;
655
656 for (i = 0; i < device->numContexts; ++i)
657 {
658 struct wined3d_context *context = device->contexts[i];
659 const struct wined3d_gl_info *gl_info = context->gl_info;
660 struct fbo_entry *entry, *entry2;
661
662 if (context->current_rt == surface) context->current_rt = NULL;
663
664 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_list, struct fbo_entry, entry)
665 {
666 UINT j;
667
668 if (entry->depth_stencil == surface)
669 {
670 callback(context, entry);
671 continue;
672 }
673
674 for (j = 0; j < gl_info->limits.buffers; ++j)
675 {
676 if (entry->render_targets[j] == surface)
677 {
678 callback(context, entry);
679 break;
680 }
681 }
682 }
683 }
684 }
685
686 static void context_queue_fbo_entry_destruction(struct wined3d_context *context, struct fbo_entry *entry)
687 {
688 list_remove(&entry->entry);
689 list_add_head(&context->fbo_destroy_list, &entry->entry);
690 }
691
692 void context_resource_released(IWineD3DDeviceImpl *device, IWineD3DResource *resource, WINED3DRESOURCETYPE type)
693 {
694 if (!device->d3d_initialized) return;
695
696 switch (type)
697 {
698 case WINED3DRTYPE_SURFACE:
699 context_enum_surface_fbo_entries(device, (IWineD3DSurfaceImpl *)resource,
700 context_queue_fbo_entry_destruction);
701 break;
702
703 default:
704 break;
705 }
706 }
707
708 static void context_detach_fbo_entry(struct wined3d_context *context, struct fbo_entry *entry)
709 {
710 entry->attached = FALSE;
711 }
712
713 void context_resource_unloaded(IWineD3DDeviceImpl *device, IWineD3DResource *resource, WINED3DRESOURCETYPE type)
714 {
715 switch (type)
716 {
717 case WINED3DRTYPE_SURFACE:
718 context_enum_surface_fbo_entries(device, (IWineD3DSurfaceImpl *)resource,
719 context_detach_fbo_entry);
720 break;
721
722 default:
723 break;
724 }
725 }
726
727 void context_surface_update(struct wined3d_context *context, IWineD3DSurfaceImpl *surface)
728 {
729 const struct wined3d_gl_info *gl_info = context->gl_info;
730 struct fbo_entry *entry = context->current_fbo;
731 unsigned int i;
732
733 if (!entry || context->rebind_fbo) return;
734
735 for (i = 0; i < gl_info->limits.buffers; ++i)
736 {
737 if (surface == entry->render_targets[i])
738 {
739 TRACE("Updated surface %p is bound as color attachment %u to the current FBO.\n", surface, i);
740 context->rebind_fbo = TRUE;
741 return;
742 }
743 }
744
745 if (surface == entry->depth_stencil)
746 {
747 TRACE("Updated surface %p is bound as depth attachment to the current FBO.\n", surface);
748 context->rebind_fbo = TRUE;
749 }
750 }
751
752 static BOOL context_set_pixel_format(const struct wined3d_gl_info *gl_info, HDC dc, int format)
753 {
754 int current = GetPixelFormat(dc);
755
756 if (current == format) return TRUE;
757
758 if (!current)
759 {
760 if (!SetPixelFormat(dc, format, NULL))
761 {
762 ERR("Failed to set pixel format %d on device context %p, last error %#x.\n",
763 format, dc, GetLastError());
764 return FALSE;
765 }
766 return TRUE;
767 }
768
769 /* By default WGL doesn't allow pixel format adjustments but we need it
770 * here. For this reason there's a Wine specific wglSetPixelFormat()
771 * which allows us to set the pixel format multiple times. Only use it
772 * when really needed. */
773 if (gl_info->supported[WGL_WINE_PIXEL_FORMAT_PASSTHROUGH])
774 {
775 if (!GL_EXTCALL(wglSetPixelFormatWINE(dc, format, NULL)))
776 {
777 ERR("wglSetPixelFormatWINE failed to set pixel format %d on device context %p.\n",
778 format, dc);
779 return FALSE;
780 }
781 return TRUE;
782 }
783
784 /* OpenGL doesn't allow pixel format adjustments. Print an error and
785 * continue using the old format. There's a big chance that the old
786 * format works although with a performance hit and perhaps rendering
787 * errors. */
788 ERR("Unable to set pixel format %d on device context %p. Already using format %d.\n",
789 format, dc, current);
790 return TRUE;
791 }
792
793 static void context_update_window(struct wined3d_context *context)
794 {
795 TRACE("Updating context %p window from %p to %p.\n",
796 context, context->win_handle, context->swapchain->win_handle);
797
798 if (context->valid)
799 {
800 if (!ReleaseDC(context->win_handle, context->hdc))
801 {
802 ERR("Failed to release device context %p, last error %#x.\n",
803 context->hdc, GetLastError());
804 }
805 }
806 else context->valid = 1;
807
808 context->win_handle = context->swapchain->win_handle;
809
810 if (!(context->hdc = GetDC(context->win_handle)))
811 {
812 ERR("Failed to get a device context for window %p.\n", context->win_handle);
813 goto err;
814 }
815
816 if (!context_set_pixel_format(context->gl_info, context->hdc, context->pixel_format))
817 {
818 ERR("Failed to set pixel format %d on device context %p.\n",
819 context->pixel_format, context->hdc);
820 goto err;
821 }
822
823 if (!pwglMakeCurrent(context->hdc, context->glCtx))
824 {
825 ERR("Failed to make GL context %p current on device context %p, last error %#x.\n",
826 context->glCtx, context->hdc, GetLastError());
827 goto err;
828 }
829
830 return;
831
832 err:
833 context->valid = 0;
834 }
835
836 /* Do not call while under the GL lock. */
837 static void context_validate(struct wined3d_context *context)
838 {
839 HWND wnd = WindowFromDC(context->hdc);
840
841 if (wnd != context->win_handle)
842 {
843 WARN("DC %p belongs to window %p instead of %p.\n",
844 context->hdc, wnd, context->win_handle);
845 context->valid = 0;
846 }
847
848 if (context->win_handle != context->swapchain->win_handle)
849 context_update_window(context);
850 }
851
852 /* Do not call while under the GL lock. */
853 static void context_destroy_gl_resources(struct wined3d_context *context)
854 {
855 const struct wined3d_gl_info *gl_info = context->gl_info;
856 struct wined3d_occlusion_query *occlusion_query;
857 struct wined3d_event_query *event_query;
858 struct fbo_entry *entry, *entry2;
859 HGLRC restore_ctx;
860 HDC restore_dc;
861 unsigned int i;
862
863 restore_ctx = pwglGetCurrentContext();
864 restore_dc = pwglGetCurrentDC();
865
866 context_validate(context);
867 if (context->valid && restore_ctx != context->glCtx) pwglMakeCurrent(context->hdc, context->glCtx);
868 else restore_ctx = NULL;
869
870 ENTER_GL();
871
872 LIST_FOR_EACH_ENTRY(occlusion_query, &context->occlusion_queries, struct wined3d_occlusion_query, entry)
873 {
874 if (context->valid && gl_info->supported[ARB_OCCLUSION_QUERY])
875 GL_EXTCALL(glDeleteQueriesARB(1, &occlusion_query->id));
876 occlusion_query->context = NULL;
877 }
878
879 LIST_FOR_EACH_ENTRY(event_query, &context->event_queries, struct wined3d_event_query, entry)
880 {
881 if (context->valid)
882 {
883 if (gl_info->supported[ARB_SYNC])
884 {
885 if (event_query->object.sync) GL_EXTCALL(glDeleteSync(event_query->object.sync));
886 }
887 else if (gl_info->supported[APPLE_FENCE]) GL_EXTCALL(glDeleteFencesAPPLE(1, &event_query->object.id));
888 else if (gl_info->supported[NV_FENCE]) GL_EXTCALL(glDeleteFencesNV(1, &event_query->object.id));
889 }
890 event_query->context = NULL;
891 }
892
893 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_destroy_list, struct fbo_entry, entry)
894 {
895 if (!context->valid) entry->id = 0;
896 context_destroy_fbo_entry(context, entry);
897 }
898
899 LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &context->fbo_list, struct fbo_entry, entry)
900 {
901 if (!context->valid) entry->id = 0;
902 context_destroy_fbo_entry(context, entry);
903 }
904
905 if (context->valid)
906 {
907 if (context->dst_fbo)
908 {
909 TRACE("Destroy dst FBO %d\n", context->dst_fbo);
910 context_destroy_fbo(context, &context->dst_fbo);
911 }
912 if (context->dummy_arbfp_prog)
913 {
914 GL_EXTCALL(glDeleteProgramsARB(1, &context->dummy_arbfp_prog));
915 }
916
917 if (gl_info->supported[ARB_OCCLUSION_QUERY])
918 GL_EXTCALL(glDeleteQueriesARB(context->free_occlusion_query_count, context->free_occlusion_queries));
919
920 if (gl_info->supported[ARB_SYNC])
921 {
922 if (event_query->object.sync) GL_EXTCALL(glDeleteSync(event_query->object.sync));
923 }
924 else if (gl_info->supported[APPLE_FENCE])
925 {
926 for (i = 0; i < context->free_event_query_count; ++i)
927 {
928 GL_EXTCALL(glDeleteFencesAPPLE(1, &context->free_event_queries[i].id));
929 }
930 }
931 else if (gl_info->supported[NV_FENCE])
932 {
933 for (i = 0; i < context->free_event_query_count; ++i)
934 {
935 GL_EXTCALL(glDeleteFencesNV(1, &context->free_event_queries[i].id));
936 }
937 }
938
939 checkGLcall("context cleanup");
940 }
941
942 LEAVE_GL();
943
944 HeapFree(GetProcessHeap(), 0, context->free_occlusion_queries);
945 HeapFree(GetProcessHeap(), 0, context->free_event_queries);
946
947 if (restore_ctx)
948 {
949 if (!pwglMakeCurrent(restore_dc, restore_ctx))
950 {
951 DWORD err = GetLastError();
952 ERR("Failed to restore GL context %p on device context %p, last error %#x.\n",
953 restore_ctx, restore_dc, err);
954 }
955 }
956 else if (pwglGetCurrentContext() && !pwglMakeCurrent(NULL, NULL))
957 {
958 ERR("Failed to disable GL context.\n");
959 }
960
961 ReleaseDC(context->win_handle, context->hdc);
962
963 if (!pwglDeleteContext(context->glCtx))
964 {
965 DWORD err = GetLastError();
966 ERR("wglDeleteContext(%p) failed, last error %#x.\n", context->glCtx, err);
967 }
968 }
969
970 DWORD context_get_tls_idx(void)
971 {
972 return wined3d_context_tls_idx;
973 }
974
975 void context_set_tls_idx(DWORD idx)
976 {
977 wined3d_context_tls_idx = idx;
978 }
979
980 struct wined3d_context *context_get_current(void)
981 {
982 return TlsGetValue(wined3d_context_tls_idx);
983 }
984
985 /* Do not call while under the GL lock. */
986 BOOL context_set_current(struct wined3d_context *ctx)
987 {
988 struct wined3d_context *old = context_get_current();
989
990 if (old == ctx)
991 {
992 TRACE("Already using D3D context %p.\n", ctx);
993 return TRUE;
994 }
995
996 if (old)
997 {
998 if (old->destroyed)
999 {
1000 TRACE("Switching away from destroyed context %p.\n", old);
1001 context_destroy_gl_resources(old);
1002 HeapFree(GetProcessHeap(), 0, old);
1003 }
1004 else
1005 {
1006 old->current = 0;
1007 }
1008 }
1009
1010 if (ctx)
1011 {
1012 TRACE("Switching to D3D context %p, GL context %p, device context %p.\n", ctx, ctx->glCtx, ctx->hdc);
1013 if (!pwglMakeCurrent(ctx->hdc, ctx->glCtx))
1014 {
1015 DWORD err = GetLastError();
1016 ERR("Failed to make GL context %p current on device context %p, last error %#x.\n",
1017 ctx->glCtx, ctx->hdc, err);
1018 TlsSetValue(wined3d_context_tls_idx, NULL);
1019 return FALSE;
1020 }
1021 ctx->current = 1;
1022 }
1023 else if(pwglGetCurrentContext())
1024 {
1025 TRACE("Clearing current D3D context.\n");
1026 if (!pwglMakeCurrent(NULL, NULL))
1027 {
1028 DWORD err = GetLastError();
1029 ERR("Failed to clear current GL context, last error %#x.\n", err);
1030 TlsSetValue(wined3d_context_tls_idx, NULL);
1031 return FALSE;
1032 }
1033 }
1034
1035 return TlsSetValue(wined3d_context_tls_idx, ctx);
1036 }
1037
1038 void context_release(struct wined3d_context *context)
1039 {
1040 TRACE("Releasing context %p, level %u.\n", context, context->level);
1041
1042 if (WARN_ON(d3d))
1043 {
1044 if (!context->level)
1045 WARN("Context %p is not active.\n", context);
1046 else if (context != context_get_current())
1047 WARN("Context %p is not the current context.\n", context);
1048 }
1049
1050 if (!--context->level && context->restore_ctx)
1051 {
1052 TRACE("Restoring GL context %p on device context %p.\n", context->restore_ctx, context->restore_dc);
1053 if (!pwglMakeCurrent(context->restore_dc, context->restore_ctx))
1054 {
1055 DWORD err = GetLastError();
1056 ERR("Failed to restore GL context %p on device context %p, last error %#x.\n",
1057 context->restore_ctx, context->restore_dc, err);
1058 }
1059 context->restore_ctx = NULL;
1060 context->restore_dc = NULL;
1061 }
1062 }
1063
1064 static void context_enter(struct wined3d_context *context)
1065 {
1066 TRACE("Entering context %p, level %u.\n", context, context->level + 1);
1067
1068 if (!context->level++)
1069 {
1070 const struct wined3d_context *current_context = context_get_current();
1071 HGLRC current_gl = pwglGetCurrentContext();
1072
1073 if (current_gl && (!current_context || current_context->glCtx != current_gl))
1074 {
1075 TRACE("Another GL context (%p on device context %p) is already current.\n",
1076 current_gl, pwglGetCurrentDC());
1077 context->restore_ctx = current_gl;
1078 context->restore_dc = pwglGetCurrentDC();
1079 }
1080 }
1081 }
1082
1083 /*****************************************************************************
1084 * Context_MarkStateDirty
1085 *
1086 * Marks a state in a context dirty. Only one context, opposed to
1087 * IWineD3DDeviceImpl_MarkStateDirty, which marks the state dirty in all
1088 * contexts
1089 *
1090 * Params:
1091 * context: Context to mark the state dirty in
1092 * state: State to mark dirty
1093 * StateTable: Pointer to the state table in use(for state grouping)
1094 *
1095 *****************************************************************************/
1096 static void Context_MarkStateDirty(struct wined3d_context *context, DWORD state, const struct StateEntry *StateTable)
1097 {
1098 DWORD rep = StateTable[state].representative;
1099 DWORD idx;
1100 BYTE shift;
1101
1102 if (isStateDirty(context, rep)) return;
1103
1104 context->dirtyArray[context->numDirtyEntries++] = rep;
1105 idx = rep / (sizeof(*context->isStateDirty) * CHAR_BIT);
1106 shift = rep & ((sizeof(*context->isStateDirty) * CHAR_BIT) - 1);
1107 context->isStateDirty[idx] |= (1 << shift);
1108 }
1109
1110 /* This function takes care of WineD3D pixel format selection. */
1111 static int WineD3D_ChoosePixelFormat(IWineD3DDeviceImpl *This, HDC hdc,
1112 const struct wined3d_format *color_format, const struct wined3d_format *ds_format,
1113 BOOL auxBuffers, int numSamples, BOOL findCompatible)
1114 {
1115 int iPixelFormat=0;
1116 unsigned int matchtry;
1117 short redBits, greenBits, blueBits, alphaBits, colorBits;
1118 short depthBits=0, stencilBits=0;
1119
1120 static const struct
1121 {
1122 BOOL require_aux;
1123 BOOL exact_alpha;
1124 BOOL exact_color;
1125 }
1126 matches[] =
1127 {
1128 /* First, try without alpha match buffers. MacOS supports aux buffers only
1129 * on A8R8G8B8, and we prefer better offscreen rendering over an alpha match.
1130 * Then try without aux buffers - this is the most common cause for not
1131 * finding a pixel format. Also some drivers(the open source ones)
1132 * only offer 32 bit ARB pixel formats. First try without an exact alpha
1133 * match, then try without an exact alpha and color match.
1134 */
1135 { TRUE, TRUE, TRUE },
1136 { TRUE, FALSE, TRUE },
1137 { FALSE, TRUE, TRUE },
1138 { FALSE, FALSE, TRUE },
1139 { TRUE, FALSE, FALSE },
1140 { FALSE, FALSE, FALSE },
1141 };
1142
1143 int i = 0;
1144 int nCfgs = This->adapter->nCfgs;
1145
1146 TRACE("ColorFormat=%s, DepthStencilFormat=%s, auxBuffers=%d, numSamples=%d, findCompatible=%d\n",
1147 debug_d3dformat(color_format->id), debug_d3dformat(ds_format->id),
1148 auxBuffers, numSamples, findCompatible);
1149
1150 if (!getColorBits(color_format, &redBits, &greenBits, &blueBits, &alphaBits, &colorBits))
1151 {
1152 ERR("Unable to get color bits for format %s (%#x)!\n",
1153 debug_d3dformat(color_format->id), color_format->id);
1154 return 0;
1155 }
1156
1157 getDepthStencilBits(ds_format, &depthBits, &stencilBits);
1158
1159 for(matchtry = 0; matchtry < (sizeof(matches) / sizeof(matches[0])) && !iPixelFormat; matchtry++) {
1160 for(i=0; i<nCfgs; i++) {
1161 BOOL exactDepthMatch = TRUE;
1162 WineD3D_PixelFormat *cfg = &This->adapter->cfgs[i];
1163
1164 /* For now only accept RGBA formats. Perhaps some day we will
1165 * allow floating point formats for pbuffers. */
1166 if(cfg->iPixelType != WGL_TYPE_RGBA_ARB)
1167 continue;
1168
1169 /* In window mode we need a window drawable format and double buffering. */
1170 if(!(cfg->windowDrawable && cfg->doubleBuffer))
1171 continue;
1172
1173 /* We like to have aux buffers in backbuffer mode */
1174 if(auxBuffers && !cfg->auxBuffers && matches[matchtry].require_aux)
1175 continue;
1176
1177 if(matches[matchtry].exact_color) {
1178 if(cfg->redSize != redBits)
1179 continue;
1180 if(cfg->greenSize != greenBits)
1181 continue;
1182 if(cfg->blueSize != blueBits)
1183 continue;
1184 } else {
1185 if(cfg->redSize < redBits)
1186 continue;
1187 if(cfg->greenSize < greenBits)
1188 continue;
1189 if(cfg->blueSize < blueBits)
1190 continue;
1191 }
1192 if(matches[matchtry].exact_alpha) {
1193 if(cfg->alphaSize != alphaBits)
1194 continue;
1195 } else {
1196 if(cfg->alphaSize < alphaBits)
1197 continue;
1198 }
1199
1200 /* We try to locate a format which matches our requirements exactly. In case of
1201 * depth it is no problem to emulate 16-bit using e.g. 24-bit, so accept that. */
1202 if(cfg->depthSize < depthBits)
1203 continue;
1204 else if(cfg->depthSize > depthBits)
1205 exactDepthMatch = FALSE;
1206
1207 /* In all cases make sure the number of stencil bits matches our requirements
1208 * even when we don't need stencil because it could affect performance EXCEPT
1209 * on cards which don't offer depth formats without stencil like the i915 drivers
1210 * on Linux. */
1211 if(stencilBits != cfg->stencilSize && !(This->adapter->brokenStencil && stencilBits <= cfg->stencilSize))
1212 continue;
1213
1214 /* Check multisampling support */
1215 if(cfg->numSamples != numSamples)
1216 continue;
1217
1218 /* When we have passed all the checks then we have found a format which matches our
1219 * requirements. Note that we only check for a limit number of capabilities right now,
1220 * so there can easily be a dozen of pixel formats which appear to be the 'same' but
1221 * can still differ in things like multisampling, stereo, SRGB and other flags.
1222 */
1223
1224 /* Exit the loop as we have found a format :) */
1225 if(exactDepthMatch) {
1226 iPixelFormat = cfg->iPixelFormat;
1227 break;
1228 } else if(!iPixelFormat) {
1229 /* In the end we might end up with a format which doesn't exactly match our depth
1230 * requirements. Accept the first format we found because formats with higher iPixelFormat
1231 * values tend to have more extended capabilities (e.g. multisampling) which we don't need. */
1232 iPixelFormat = cfg->iPixelFormat;
1233 }
1234 }
1235 }
1236
1237 /* When findCompatible is set and no suitable format was found, let ChoosePixelFormat choose a pixel format in order not to crash. */
1238 if(!iPixelFormat && !findCompatible) {
1239 ERR("Can't find a suitable iPixelFormat\n");
1240 return FALSE;
1241 } else if(!iPixelFormat) {
1242 PIXELFORMATDESCRIPTOR pfd;
1243
1244 TRACE("Falling back to ChoosePixelFormat as we weren't able to find an exactly matching pixel format\n");
1245 /* PixelFormat selection */
1246 ZeroMemory(&pfd, sizeof(pfd));
1247 pfd.nSize = sizeof(pfd);
1248 pfd.nVersion = 1;
1249 pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW;/*PFD_GENERIC_ACCELERATED*/
1250 pfd.iPixelType = PFD_TYPE_RGBA;
1251 pfd.cAlphaBits = alphaBits;
1252 pfd.cColorBits = colorBits;
1253 pfd.cDepthBits = depthBits;
1254 pfd.cStencilBits = stencilBits;
1255 pfd.iLayerType = PFD_MAIN_PLANE;
1256
1257 iPixelFormat = ChoosePixelFormat(hdc, &pfd);
1258 if(!iPixelFormat) {
1259 /* If this happens something is very wrong as ChoosePixelFormat barely fails */
1260 ERR("Can't find a suitable iPixelFormat\n");
1261 return FALSE;
1262 }
1263 }
1264
1265 TRACE("Found iPixelFormat=%d for ColorFormat=%s, DepthStencilFormat=%s\n",
1266 iPixelFormat, debug_d3dformat(color_format->id), debug_d3dformat(ds_format->id));
1267 return iPixelFormat;
1268 }
1269
1270 /* Do not call while under the GL lock. */
1271 struct wined3d_context *context_create(IWineD3DSwapChainImpl *swapchain,
1272 IWineD3DSurfaceImpl *target, const struct wined3d_format *ds_format)
1273 {
1274 IWineD3DDeviceImpl *device = swapchain->device;
1275 const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1276 const struct wined3d_format *color_format;
1277 struct wined3d_context *ret;
1278 PIXELFORMATDESCRIPTOR pfd;
1279 BOOL auxBuffers = FALSE;
1280 int numSamples = 0;
1281 int pixel_format;
1282 unsigned int s;
1283 int swap_interval;
1284 DWORD state;
1285 HGLRC ctx;
1286 HDC hdc;
1287
1288 TRACE("swapchain %p, target %p, window %p.\n", swapchain, target, swapchain->win_handle);
1289
1290 ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret));
1291 if (!ret)
1292 {
1293 ERR("Failed to allocate context memory.\n");
1294 return NULL;
1295 }
1296
1297 if (!(hdc = GetDC(swapchain->win_handle)))
1298 {
1299 ERR("Failed to retrieve a device context.\n");
1300 goto out;
1301 }
1302
1303 color_format = target->resource.format;
1304
1305 /* In case of ORM_BACKBUFFER, make sure to request an alpha component for
1306 * X4R4G4B4/X8R8G8B8 as we might need it for the backbuffer. */
1307 if (wined3d_settings.offscreen_rendering_mode == ORM_BACKBUFFER)
1308 {
1309 auxBuffers = TRUE;
1310
1311 if (color_format->id == WINED3DFMT_B4G4R4X4_UNORM)
1312 color_format = wined3d_get_format(gl_info, WINED3DFMT_B4G4R4A4_UNORM);
1313 else if (color_format->id == WINED3DFMT_B8G8R8X8_UNORM)
1314 color_format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
1315 }
1316
1317 /* DirectDraw supports 8bit paletted render targets and these are used by
1318 * old games like Starcraft and C&C. Most modern hardware doesn't support
1319 * 8bit natively so we perform some form of 8bit -> 32bit conversion. The
1320 * conversion (ab)uses the alpha component for storing the palette index.
1321 * For this reason we require a format with 8bit alpha, so request
1322 * A8R8G8B8. */
1323 if (color_format->id == WINED3DFMT_P8_UINT)
1324 color_format = wined3d_get_format(gl_info, WINED3DFMT_B8G8R8A8_UNORM);
1325
1326 /* D3D only allows multisampling when SwapEffect is set to WINED3DSWAPEFFECT_DISCARD. */
1327 if (swapchain->presentParms.MultiSampleType && (swapchain->presentParms.SwapEffect == WINED3DSWAPEFFECT_DISCARD))
1328 {
1329 if (!gl_info->supported[ARB_MULTISAMPLE])
1330 WARN("The application is requesting multisampling without support.\n");
1331 else
1332 {
1333 TRACE("Requesting multisample type %#x.\n", swapchain->presentParms.MultiSampleType);
1334 numSamples = swapchain->presentParms.MultiSampleType;
1335 }
1336 }
1337
1338 /* Try to find a pixel format which matches our requirements. */
1339 pixel_format = WineD3D_ChoosePixelFormat(device, hdc, color_format, ds_format,
1340 auxBuffers, numSamples, FALSE /* findCompatible */);
1341
1342 /* Try to locate a compatible format if we weren't able to find anything. */
1343 if (!pixel_format)
1344 {
1345 TRACE("Trying to locate a compatible pixel format because an exact match failed.\n");
1346 pixel_format = WineD3D_ChoosePixelFormat(device, hdc, color_format, ds_format,
1347 auxBuffers, 0 /* numSamples */, TRUE /* findCompatible */);
1348 }
1349
1350 /* If we still don't have a pixel format, something is very wrong as ChoosePixelFormat barely fails */
1351 if (!pixel_format)
1352 {
1353 ERR("Can't find a suitable pixel format.\n");
1354 goto out;
1355 }
1356
1357 DescribePixelFormat(hdc, pixel_format, sizeof(pfd), &pfd);
1358 if (!context_set_pixel_format(gl_info, hdc, pixel_format))
1359 {
1360 ERR("Failed to set pixel format %d on device context %p.\n", pixel_format, hdc);
1361 goto out;
1362 }
1363
1364 ctx = pwglCreateContext(hdc);
1365 if (device->numContexts)
1366 {
1367 if (!pwglShareLists(device->contexts[0]->glCtx, ctx))
1368 {
1369 DWORD err = GetLastError();
1370 ERR("wglShareLists(%p, %p) failed, last error %#x.\n",
1371 device->contexts[0]->glCtx, ctx, err);
1372 }
1373 }
1374
1375 if(!ctx) {
1376 ERR("Failed to create a WGL context\n");
1377 goto out;
1378 }
1379
1380 if (!device_context_add(device, ret))
1381 {
1382 ERR("Failed to add the newly created context to the context list\n");
1383 if (!pwglDeleteContext(ctx))
1384 {
1385 DWORD err = GetLastError();
1386 ERR("wglDeleteContext(%p) failed, last error %#x.\n", ctx, err);
1387 }
1388 goto out;
1389 }
1390
1391 ret->gl_info = gl_info;
1392
1393 /* Mark all states dirty to force a proper initialization of the states
1394 * on the first use of the context. */
1395 for (state = 0; state <= STATE_HIGHEST; ++state)
1396 {
1397 if (device->StateTable[state].representative)
1398 Context_MarkStateDirty(ret, state, device->StateTable);
1399 }
1400
1401 ret->swapchain = swapchain;
1402 ret->current_rt = target;
1403 ret->tid = GetCurrentThreadId();
1404
1405 ret->render_offscreen = surface_is_offscreen(target);
1406 ret->draw_buffer_dirty = TRUE;
1407 ret->valid = 1;
1408
1409 ret->glCtx = ctx;
1410 ret->win_handle = swapchain->win_handle;
1411 ret->hdc = hdc;
1412 ret->pixel_format = pixel_format;
1413
1414 if (device->shader_backend->shader_dirtifyable_constants())
1415 {
1416 /* Create the dirty constants array and initialize them to dirty */
1417 ret->vshader_const_dirty = HeapAlloc(GetProcessHeap(), 0,
1418 sizeof(*ret->vshader_const_dirty) * device->d3d_vshader_constantF);
1419 ret->pshader_const_dirty = HeapAlloc(GetProcessHeap(), 0,
1420 sizeof(*ret->pshader_const_dirty) * device->d3d_pshader_constantF);
1421 memset(ret->vshader_const_dirty, 1,
1422 sizeof(*ret->vshader_const_dirty) * device->d3d_vshader_constantF);
1423 memset(ret->pshader_const_dirty, 1,
1424 sizeof(*ret->pshader_const_dirty) * device->d3d_pshader_constantF);
1425 }
1426
1427 ret->blit_targets = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1428 gl_info->limits.buffers * sizeof(*ret->blit_targets));
1429 if (!ret->blit_targets) goto out;
1430
1431 ret->draw_buffers = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
1432 gl_info->limits.buffers * sizeof(*ret->draw_buffers));
1433 if (!ret->draw_buffers) goto out;
1434
1435 ret->free_occlusion_query_size = 4;
1436 ret->free_occlusion_queries = HeapAlloc(GetProcessHeap(), 0,
1437 ret->free_occlusion_query_size * sizeof(*ret->free_occlusion_queries));
1438 if (!ret->free_occlusion_queries) goto out;
1439
1440 list_init(&ret->occlusion_queries);
1441
1442 ret->free_event_query_size = 4;
1443 ret->free_event_queries = HeapAlloc(GetProcessHeap(), 0,
1444 ret->free_event_query_size * sizeof(*ret->free_event_queries));
1445 if (!ret->free_event_queries) goto out;
1446
1447 list_init(&ret->event_queries);
1448
1449 TRACE("Successfully created new context %p\n", ret);
1450
1451 list_init(&ret->fbo_list);
1452 list_init(&ret->fbo_destroy_list);
1453
1454 context_enter(ret);
1455
1456 /* Set up the context defaults */
1457 if (!context_set_current(ret))
1458 {
1459 ERR("Cannot activate context to set up defaults\n");
1460 context_release(ret);
1461 goto out;
1462 }
1463
1464 switch (swapchain->presentParms.PresentationInterval)
1465 {
1466 case WINED3DPRESENT_INTERVAL_IMMEDIATE:
1467 swap_interval = 0;
1468 break;
1469 case WINED3DPRESENT_INTERVAL_DEFAULT:
1470 case WINED3DPRESENT_INTERVAL_ONE:
1471 swap_interval = 1;
1472 break;
1473 case WINED3DPRESENT_INTERVAL_TWO:
1474 swap_interval = 2;
1475 break;
1476 case WINED3DPRESENT_INTERVAL_THREE:
1477 swap_interval = 3;
1478 break;
1479 case WINED3DPRESENT_INTERVAL_FOUR:
1480 swap_interval = 4;
1481 break;
1482 default:
1483 FIXME("Unknown presentation interval %08x\n", swapchain->presentParms.PresentationInterval);
1484 swap_interval = 1;
1485 }
1486
1487 if (gl_info->supported[WGL_EXT_SWAP_CONTROL])
1488 {
1489 if (!GL_EXTCALL(wglSwapIntervalEXT(swap_interval)))
1490 ERR("wglSwapIntervalEXT failed to set swap interval %d for context %p, last error %#x\n",
1491 swap_interval, ret, GetLastError());
1492 }
1493
1494 ENTER_GL();
1495
1496 glGetIntegerv(GL_AUX_BUFFERS, &ret->aux_buffers);
1497
1498 TRACE("Setting up the screen\n");
1499 /* Clear the screen */
1500 glClearColor(1.0f, 0.0f, 0.0f, 0.0f);
1501 checkGLcall("glClearColor");
1502 glClearIndex(0);
1503 glClearDepth(1);
1504 glClearStencil(0xffff);
1505
1506 checkGLcall("glClear");
1507
1508 glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
1509 checkGLcall("glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);");
1510
1511 glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
1512 checkGLcall("glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);");
1513
1514 glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
1515 checkGLcall("glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);");
1516
1517 glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);
1518 checkGLcall("glPixelStorei(GL_PACK_ALIGNMENT, device->surface_alignment);");
1519 glPixelStorei(GL_UNPACK_ALIGNMENT, device->surface_alignment);
1520 checkGLcall("glPixelStorei(GL_UNPACK_ALIGNMENT, device->surface_alignment);");
1521
1522 if (gl_info->supported[APPLE_CLIENT_STORAGE])
1523 {
1524 /* Most textures will use client storage if supported. Exceptions are non-native power of 2 textures
1525 * and textures in DIB sections(due to the memory protection).
1526 */
1527 glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE);
1528 checkGLcall("glPixelStorei(GL_UNPACK_CLIENT_STORAGE_APPLE, GL_TRUE)");
1529 }
1530 if (gl_info->supported[ARB_VERTEX_BLEND])
1531 {
1532 /* Direct3D always uses n-1 weights for n world matrices and uses 1 - sum for the last one
1533 * this is equal to GL_WEIGHT_SUM_UNITY_ARB. Enabling it doesn't do anything unless
1534 * GL_VERTEX_BLEND_ARB isn't enabled too
1535 */
1536 glEnable(GL_WEIGHT_SUM_UNITY_ARB);
1537 checkGLcall("glEnable(GL_WEIGHT_SUM_UNITY_ARB)");
1538 }
1539 if (gl_info->supported[NV_TEXTURE_SHADER2])
1540 {
1541 /* Set up the previous texture input for all shader units. This applies to bump mapping, and in d3d
1542 * the previous texture where to source the offset from is always unit - 1.
1543 */
1544 for (s = 1; s < gl_info->limits.textures; ++s)
1545 {
1546 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + s));
1547 glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, GL_TEXTURE0_ARB + s - 1);
1548 checkGLcall("glTexEnvi(GL_TEXTURE_SHADER_NV, GL_PREVIOUS_TEXTURE_INPUT_NV, ...");
1549 }
1550 }
1551 if (gl_info->supported[ARB_FRAGMENT_PROGRAM])
1552 {
1553 /* MacOS(radeon X1600 at least, but most likely others too) refuses to draw if GLSL and ARBFP are
1554 * enabled, but the currently bound arbfp program is 0. Enabling ARBFP with prog 0 is invalid, but
1555 * GLSL should bypass this. This causes problems in programs that never use the fixed function pipeline,
1556 * because the ARBFP extension is enabled by the ARBFP pipeline at context creation, but no program
1557 * is ever assigned.
1558 *
1559 * So make sure a program is assigned to each context. The first real ARBFP use will set a different
1560 * program and the dummy program is destroyed when the context is destroyed.
1561 */
1562 const char *dummy_program =
1563 "!!ARBfp1.0\n"
1564 "MOV result.color, fragment.color.primary;\n"
1565 "END\n";
1566 GL_EXTCALL(glGenProgramsARB(1, &ret->dummy_arbfp_prog));
1567 GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, ret->dummy_arbfp_prog));
1568 GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(dummy_program), dummy_program));
1569 }
1570
1571 for (s = 0; s < gl_info->limits.point_sprite_units; ++s)
1572 {
1573 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + s));
1574 glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE);
1575 checkGLcall("glTexEnvi(GL_POINT_SPRITE_ARB, GL_COORD_REPLACE_ARB, GL_TRUE)");
1576 }
1577
1578 if (gl_info->supported[ARB_PROVOKING_VERTEX])
1579 {
1580 GL_EXTCALL(glProvokingVertex(GL_FIRST_VERTEX_CONVENTION));
1581 }
1582 else if (gl_info->supported[EXT_PROVOKING_VERTEX])
1583 {
1584 GL_EXTCALL(glProvokingVertexEXT(GL_FIRST_VERTEX_CONVENTION_EXT));
1585 }
1586
1587 LEAVE_GL();
1588
1589 device->frag_pipe->enable_extension(TRUE);
1590
1591 TRACE("Created context %p.\n", ret);
1592
1593 return ret;
1594
1595 out:
1596 HeapFree(GetProcessHeap(), 0, ret->free_event_queries);
1597 HeapFree(GetProcessHeap(), 0, ret->free_occlusion_queries);
1598 HeapFree(GetProcessHeap(), 0, ret->draw_buffers);
1599 HeapFree(GetProcessHeap(), 0, ret->blit_targets);
1600 HeapFree(GetProcessHeap(), 0, ret->pshader_const_dirty);
1601 HeapFree(GetProcessHeap(), 0, ret->vshader_const_dirty);
1602 HeapFree(GetProcessHeap(), 0, ret);
1603 return NULL;
1604 }
1605
1606 /* Do not call while under the GL lock. */
1607 void context_destroy(IWineD3DDeviceImpl *This, struct wined3d_context *context)
1608 {
1609 BOOL destroy;
1610
1611 TRACE("Destroying ctx %p\n", context);
1612
1613 if (context->tid == GetCurrentThreadId() || !context->current)
1614 {
1615 context_destroy_gl_resources(context);
1616 TlsSetValue(wined3d_context_tls_idx, NULL);
1617 destroy = TRUE;
1618 }
1619 else
1620 {
1621 context->destroyed = 1;
1622 destroy = FALSE;
1623 }
1624
1625 HeapFree(GetProcessHeap(), 0, context->draw_buffers);
1626 HeapFree(GetProcessHeap(), 0, context->blit_targets);
1627 HeapFree(GetProcessHeap(), 0, context->vshader_const_dirty);
1628 HeapFree(GetProcessHeap(), 0, context->pshader_const_dirty);
1629 device_context_remove(This, context);
1630 if (destroy) HeapFree(GetProcessHeap(), 0, context);
1631 }
1632
1633 /* GL locking is done by the caller */
1634 static inline void set_blit_dimension(UINT width, UINT height) {
1635 glMatrixMode(GL_PROJECTION);
1636 checkGLcall("glMatrixMode(GL_PROJECTION)");
1637 glLoadIdentity();
1638 checkGLcall("glLoadIdentity()");
1639 glOrtho(0, width, 0, height, 0.0, -1.0);
1640 checkGLcall("glOrtho");
1641 glViewport(0, 0, width, height);
1642 checkGLcall("glViewport");
1643 }
1644
1645 /*****************************************************************************
1646 * SetupForBlit
1647 *
1648 * Sets up a context for DirectDraw blitting.
1649 * All texture units are disabled, texture unit 0 is set as current unit
1650 * fog, lighting, blending, alpha test, z test, scissor test, culling disabled
1651 * color writing enabled for all channels
1652 * register combiners disabled, shaders disabled
1653 * world matrix is set to identity, texture matrix 0 too
1654 * projection matrix is setup for drawing screen coordinates
1655 *
1656 * Params:
1657 * This: Device to activate the context for
1658 * context: Context to setup
1659 *
1660 *****************************************************************************/
1661 /* Context activation is done by the caller. */
1662 static void SetupForBlit(IWineD3DDeviceImpl *This, struct wined3d_context *context)
1663 {
1664 int i;
1665 const struct StateEntry *StateTable = This->StateTable;
1666 const struct wined3d_gl_info *gl_info = context->gl_info;
1667 UINT width = context->current_rt->currentDesc.Width;
1668 UINT height = context->current_rt->currentDesc.Height;
1669 DWORD sampler;
1670
1671 TRACE("Setting up context %p for blitting\n", context);
1672 if(context->last_was_blit) {
1673 if(context->blit_w != width || context->blit_h != height) {
1674 ENTER_GL();
1675 set_blit_dimension(width, height);
1676 LEAVE_GL();
1677 context->blit_w = width; context->blit_h = height;
1678 /* No need to dirtify here, the states are still dirtified because they weren't
1679 * applied since the last SetupForBlit call. Otherwise last_was_blit would not
1680 * be set
1681 */
1682 }
1683 TRACE("Context is already set up for blitting, nothing to do\n");
1684 return;
1685 }
1686 context->last_was_blit = TRUE;
1687
1688 /* TODO: Use a display list */
1689
1690 /* Disable shaders */
1691 ENTER_GL();
1692 This->shader_backend->shader_select(context, FALSE, FALSE);
1693 LEAVE_GL();
1694
1695 Context_MarkStateDirty(context, STATE_VSHADER, StateTable);
1696 Context_MarkStateDirty(context, STATE_PIXELSHADER, StateTable);
1697
1698 /* Call ENTER_GL() once for all gl calls below. In theory we should not call
1699 * helper functions in between gl calls. This function is full of Context_MarkStateDirty
1700 * which can safely be called from here, we only lock once instead locking/unlocking
1701 * after each GL call.
1702 */
1703 ENTER_GL();
1704
1705 /* Disable all textures. The caller can then bind a texture it wants to blit
1706 * from
1707 *
1708 * The blitting code uses (for now) the fixed function pipeline, so make sure to reset all fixed
1709 * function texture unit. No need to care for higher samplers
1710 */
1711 for (i = gl_info->limits.textures - 1; i > 0 ; --i)
1712 {
1713 sampler = This->rev_tex_unit_map[i];
1714 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + i));
1715 checkGLcall("glActiveTextureARB");
1716
1717 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
1718 {
1719 glDisable(GL_TEXTURE_CUBE_MAP_ARB);
1720 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
1721 }
1722 glDisable(GL_TEXTURE_3D);
1723 checkGLcall("glDisable GL_TEXTURE_3D");
1724 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
1725 {
1726 glDisable(GL_TEXTURE_RECTANGLE_ARB);
1727 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
1728 }
1729 glDisable(GL_TEXTURE_2D);
1730 checkGLcall("glDisable GL_TEXTURE_2D");
1731
1732 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1733 checkGLcall("glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);");
1734
1735 if (sampler != WINED3D_UNMAPPED_STAGE)
1736 {
1737 if (sampler < MAX_TEXTURES) {
1738 Context_MarkStateDirty(context, STATE_TEXTURESTAGE(sampler, WINED3DTSS_COLOROP), StateTable);
1739 }
1740 Context_MarkStateDirty(context, STATE_SAMPLER(sampler), StateTable);
1741 }
1742 }
1743 GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB));
1744 checkGLcall("glActiveTextureARB");
1745
1746 sampler = This->rev_tex_unit_map[0];
1747
1748 if (gl_info->supported[ARB_TEXTURE_CUBE_MAP])
1749 {
1750 glDisable(GL_TEXTURE_CUBE_MAP_ARB);
1751 checkGLcall("glDisable GL_TEXTURE_CUBE_MAP_ARB");
1752 }
1753 glDisable(GL_TEXTURE_3D);
1754 checkGLcall("glDisable GL_TEXTURE_3D");
1755 if (gl_info->supported[ARB_TEXTURE_RECTANGLE])
1756 {
1757 glDisable(GL_TEXTURE_RECTANGLE_ARB);
1758 checkGLcall("glDisable GL_TEXTURE_RECTANGLE_ARB");
1759 }
1760 glDisable(GL_TEXTURE_2D);
1761 checkGLcall("glDisable GL_TEXTURE_2D");
1762
1763 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
1764
1765 glMatrixMode(GL_TEXTURE);
1766 checkGLcall("glMatrixMode(GL_TEXTURE)");
1767 glLoadIdentity();
1768 checkGLcall("glLoadIdentity()");
1769
1770 if (gl_info->supported[EXT_TEXTURE_LOD_BIAS])
1771 {
1772 glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
1773 GL_TEXTURE_LOD_BIAS_EXT,
1774 0.0f);
1775 checkGLcall("glTexEnvf GL_TEXTURE_LOD_BIAS_EXT ...");
1776 }
1777
1778 if (sampler != WINED3D_UNMAPPED_STAGE)
1779 {
1780 if (sampler < MAX_TEXTURES) {
1781 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_TEXTURE0 + sampler), StateTable);
1782 Context_MarkStateDirty(context, STATE_TEXTURESTAGE(sampler, WINED3DTSS_COLOROP), StateTable);
1783 }
1784 Context_MarkStateDirty(context, STATE_SAMPLER(sampler), StateTable);
1785 }
1786
1787 /* Other misc states */
1788 glDisable(GL_ALPHA_TEST);
1789 checkGLcall("glDisable(GL_ALPHA_TEST)");
1790 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHATESTENABLE), StateTable);
1791 glDisable(GL_LIGHTING);
1792 checkGLcall("glDisable GL_LIGHTING");
1793 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_LIGHTING), StateTable);
1794 glDisable(GL_DEPTH_TEST);
1795 checkGLcall("glDisable GL_DEPTH_TEST");
1796 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ZENABLE), StateTable);
1797 glDisableWINE(GL_FOG);
1798 checkGLcall("glDisable GL_FOG");
1799 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_FOGENABLE), StateTable);
1800 glDisable(GL_BLEND);
1801 checkGLcall("glDisable GL_BLEND");
1802 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable);
1803 glDisable(GL_CULL_FACE);
1804 checkGLcall("glDisable GL_CULL_FACE");
1805 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CULLMODE), StateTable);
1806 glDisable(GL_STENCIL_TEST);
1807 checkGLcall("glDisable GL_STENCIL_TEST");
1808 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_STENCILENABLE), StateTable);
1809 glDisable(GL_SCISSOR_TEST);
1810 checkGLcall("glDisable GL_SCISSOR_TEST");
1811 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE), StateTable);
1812 if (gl_info->supported[ARB_POINT_SPRITE])
1813 {
1814 glDisable(GL_POINT_SPRITE_ARB);
1815 checkGLcall("glDisable GL_POINT_SPRITE_ARB");
1816 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_POINTSPRITEENABLE), StateTable);
1817 }
1818 glColorMask(GL_TRUE, GL_TRUE,GL_TRUE,GL_TRUE);
1819 checkGLcall("glColorMask");
1820 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE), StateTable);
1821 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE1), StateTable);
1822 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE2), StateTable);
1823 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_COLORWRITEENABLE3), StateTable);
1824 if (gl_info->supported[EXT_SECONDARY_COLOR])
1825 {
1826 glDisable(GL_COLOR_SUM_EXT);
1827 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SPECULARENABLE), StateTable);
1828 checkGLcall("glDisable(GL_COLOR_SUM_EXT)");
1829 }
1830
1831 /* Setup transforms */
1832 glMatrixMode(GL_MODELVIEW);
1833 checkGLcall("glMatrixMode(GL_MODELVIEW)");
1834 glLoadIdentity();
1835 checkGLcall("glLoadIdentity()");
1836 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_WORLDMATRIX(0)), StateTable);
1837
1838 context->last_was_rhw = TRUE;
1839 Context_MarkStateDirty(context, STATE_VDECL, StateTable); /* because of last_was_rhw = TRUE */
1840
1841 glDisable(GL_CLIP_PLANE0); checkGLcall("glDisable(clip plane 0)");
1842 glDisable(GL_CLIP_PLANE1); checkGLcall("glDisable(clip plane 1)");
1843 glDisable(GL_CLIP_PLANE2); checkGLcall("glDisable(clip plane 2)");
1844 glDisable(GL_CLIP_PLANE3); checkGLcall("glDisable(clip plane 3)");
1845 glDisable(GL_CLIP_PLANE4); checkGLcall("glDisable(clip plane 4)");
1846 glDisable(GL_CLIP_PLANE5); checkGLcall("glDisable(clip plane 5)");
1847 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_CLIPPING), StateTable);
1848
1849 set_blit_dimension(width, height);
1850
1851 LEAVE_GL();
1852
1853 context->blit_w = width; context->blit_h = height;
1854 Context_MarkStateDirty(context, STATE_VIEWPORT, StateTable);
1855 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION), StateTable);
1856
1857 This->frag_pipe->enable_extension(FALSE);
1858 }
1859
1860 /*****************************************************************************
1861 * findThreadContextForSwapChain
1862 *
1863 * Searches a swapchain for all contexts and picks one for the thread tid.
1864 * If none can be found the swapchain is requested to create a new context
1865 *
1866 *****************************************************************************/
1867 static struct wined3d_context *findThreadContextForSwapChain(IWineD3DSwapChain *swapchain, DWORD tid)
1868 {
1869 unsigned int i;
1870
1871 for(i = 0; i < ((IWineD3DSwapChainImpl *) swapchain)->num_contexts; i++) {
1872 if(((IWineD3DSwapChainImpl *) swapchain)->context[i]->tid == tid) {
1873 return ((IWineD3DSwapChainImpl *) swapchain)->context[i];
1874 }
1875
1876 }
1877
1878 /* Create a new context for the thread */
1879 return swapchain_create_context_for_thread(swapchain);
1880 }
1881
1882 /* Do not call while under the GL lock. */
1883 static struct wined3d_context *FindContext(IWineD3DDeviceImpl *This, IWineD3DSurfaceImpl *target)
1884 {
1885 struct wined3d_context *current_context = context_get_current();
1886 DWORD tid = GetCurrentThreadId();
1887 struct wined3d_context *context;
1888
1889 if (current_context && current_context->destroyed) current_context = NULL;
1890
1891 if (!target)
1892 {
1893 if (current_context
1894 && current_context->current_rt
1895 && current_context->swapchain->device == This)
1896 {
1897 target = current_context->current_rt;
1898 }
1899 else
1900 {
1901 IWineD3DSwapChainImpl *swapchain = (IWineD3DSwapChainImpl *)This->swapchains[0];
1902 if (swapchain->back_buffers) target = swapchain->back_buffers[0];
1903 else target = swapchain->front_buffer;
1904 }
1905 }
1906
1907 if (current_context && current_context->current_rt == target)
1908 {
1909 context_validate(current_context);
1910 return current_context;
1911 }
1912
1913 if (target->container.type == WINED3D_CONTAINER_SWAPCHAIN)
1914 {
1915 IWineD3DSwapChain *swapchain;
1916
1917 TRACE("Rendering onscreen\n");
1918
1919 swapchain = (IWineD3DSwapChain *)target->container.u.swapchain;
1920 context = findThreadContextForSwapChain(swapchain, tid);
1921 }
1922 else
1923 {
1924 TRACE("Rendering offscreen\n");
1925
1926 /* Stay with the currently active context. */
1927 if (current_context && current_context->swapchain->device == This)
1928 {
1929 context = current_context;
1930 }
1931 else
1932 {
1933 /* This may happen if the app jumps straight into offscreen rendering
1934 * Start using the context of the primary swapchain. tid == 0 is no problem
1935 * for findThreadContextForSwapChain.
1936 *
1937 * Can also happen on thread switches - in that case findThreadContextForSwapChain
1938 * is perfect to call. */
1939 context = findThreadContextForSwapChain(This->swapchains[0], tid);
1940 }
1941 }
1942
1943 context_validate(context);
1944
1945 return context;
1946 }
1947
1948 /* Context activation is done by the caller. */
1949 static void context_apply_draw_buffers(struct wined3d_context *context, UINT rt_count, IWineD3DSurfaceImpl **rts)
1950 {
1951 if (!surface_is_offscreen(rts[0]))
1952 {
1953 ENTER_GL();
1954 glDrawBuffer(surface_get_gl_buffer(rts[0]));
1955 checkGLcall("glDrawBuffer()");
1956 LEAVE_GL();
1957 }
1958 else
1959 {
1960 ENTER_GL();
1961 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
1962 {
1963 const struct wined3d_gl_info *gl_info = context->gl_info;
1964 unsigned int i;
1965
1966 for (i = 0; i < gl_info->limits.buffers; ++i)
1967 {
1968 if (i < rt_count && rts[i])
1969 context->draw_buffers[i] = GL_COLOR_ATTACHMENT0 + i;
1970 else
1971 context->draw_buffers[i] = GL_NONE;
1972 }
1973
1974 if (gl_info->supported[ARB_DRAW_BUFFERS])
1975 {
1976 GL_EXTCALL(glDrawBuffersARB(gl_info->limits.buffers, context->draw_buffers));
1977 checkGLcall("glDrawBuffers()");
1978 }
1979 else
1980 {
1981 glDrawBuffer(context->draw_buffers[0]);
1982 checkGLcall("glDrawBuffer()");
1983 }
1984 }
1985 else
1986 {
1987 glDrawBuffer(rts[0]->resource.device->offscreenBuffer);
1988 checkGLcall("glDrawBuffer()");
1989 }
1990 LEAVE_GL();
1991 }
1992 }
1993
1994 /* GL locking is done by the caller. */
1995 void context_set_draw_buffer(struct wined3d_context *context, GLenum buffer)
1996 {
1997 glDrawBuffer(buffer);
1998 checkGLcall("glDrawBuffer()");
1999 context->draw_buffer_dirty = TRUE;
2000 }
2001
2002 static inline void context_set_render_offscreen(struct wined3d_context *context, const struct StateEntry *StateTable,
2003 BOOL offscreen)
2004 {
2005 if (context->render_offscreen == offscreen) return;
2006
2007 Context_MarkStateDirty(context, STATE_POINTSPRITECOORDORIGIN, StateTable);
2008 Context_MarkStateDirty(context, STATE_TRANSFORM(WINED3DTS_PROJECTION), StateTable);
2009 Context_MarkStateDirty(context, STATE_VDECL, StateTable);
2010 Context_MarkStateDirty(context, STATE_VIEWPORT, StateTable);
2011 Context_MarkStateDirty(context, STATE_SCISSORRECT, StateTable);
2012 Context_MarkStateDirty(context, STATE_FRONTFACE, StateTable);
2013 context->render_offscreen = offscreen;
2014 }
2015
2016 static BOOL match_depth_stencil_format(const struct wined3d_format *existing,
2017 const struct wined3d_format *required)
2018 {
2019 short existing_depth, existing_stencil, required_depth, required_stencil;
2020
2021 if (existing == required) return TRUE;
2022 if ((existing->flags & WINED3DFMT_FLAG_FLOAT) != (required->flags & WINED3DFMT_FLAG_FLOAT)) return FALSE;
2023
2024 getDepthStencilBits(existing, &existing_depth, &existing_stencil);
2025 getDepthStencilBits(required, &required_depth, &required_stencil);
2026
2027 if(existing_depth < required_depth) return FALSE;
2028 /* If stencil bits are used the exact amount is required - otherwise wrapping
2029 * won't work correctly */
2030 if(required_stencil && required_stencil != existing_stencil) return FALSE;
2031 return TRUE;
2032 }
2033 /* The caller provides a context */
2034 static void context_validate_onscreen_formats(IWineD3DDeviceImpl *device,
2035 struct wined3d_context *context, IWineD3DSurfaceImpl *depth_stencil)
2036 {
2037 /* Onscreen surfaces are always in a swapchain */
2038 IWineD3DSwapChainImpl *swapchain = context->current_rt->container.u.swapchain;
2039
2040 if (context->render_offscreen || !depth_stencil) return;
2041 if (match_depth_stencil_format(swapchain->ds_format, depth_stencil->resource.format)) return;
2042
2043 /* TODO: If the requested format would satisfy the needs of the existing one(reverse match),
2044 * or no onscreen depth buffer was created, the OpenGL drawable could be changed to the new
2045 * format. */
2046 WARN("Depth stencil format is not supported by WGL, rendering the backbuffer in an FBO\n");
2047
2048 /* The currently active context is the necessary context to access the swapchain's onscreen buffers */
2049 surface_load_location(context->current_rt, SFLAG_INTEXTURE, NULL);
2050 swapchain->render_to_fbo = TRUE;
2051 context_set_render_offscreen(context, device->StateTable, TRUE);
2052 }
2053
2054 /* Context activation is done by the caller. */
2055 void context_apply_blit_state(struct wined3d_context *context, IWineD3DDeviceImpl *device)
2056 {
2057 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2058 {
2059 context_validate_onscreen_formats(device, context, NULL);
2060
2061 if (context->render_offscreen)
2062 {
2063 surface_internal_preload(context->current_rt, SRGB_RGB);
2064
2065 ENTER_GL();
2066 context_apply_fbo_state_blit(context, GL_FRAMEBUFFER, context->current_rt, NULL, SFLAG_INTEXTURE);
2067 LEAVE_GL();
2068 }
2069 else
2070 {
2071 ENTER_GL();
2072 context_bind_fbo(context, GL_FRAMEBUFFER, NULL);
2073 LEAVE_GL();
2074 }
2075
2076 context->draw_buffer_dirty = TRUE;
2077 }
2078
2079 if (context->draw_buffer_dirty)
2080 {
2081 context_apply_draw_buffers(context, 1, &context->current_rt);
2082 if (wined3d_settings.offscreen_rendering_mode != ORM_FBO)
2083 context->draw_buffer_dirty = FALSE;
2084 }
2085
2086 SetupForBlit(device, context);
2087 }
2088
2089 /* Context activation is done by the caller. */
2090 void context_apply_clear_state(struct wined3d_context *context, IWineD3DDeviceImpl *device,
2091 UINT rt_count, IWineD3DSurfaceImpl **rts, IWineD3DSurfaceImpl *depth_stencil)
2092 {
2093 const struct StateEntry *state_table = device->StateTable;
2094 UINT i;
2095
2096 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2097 {
2098 context_validate_onscreen_formats(device, context, depth_stencil);
2099
2100 ENTER_GL();
2101
2102 if (surface_is_offscreen(rts[0]))
2103 {
2104 for (i = 0; i < rt_count; ++i)
2105 {
2106 context->blit_targets[i] = rts[i];
2107 }
2108 while (i < context->gl_info->limits.buffers)
2109 {
2110 context->blit_targets[i] = NULL;
2111 ++i;
2112 }
2113 context_apply_fbo_state(context, GL_FRAMEBUFFER, context->blit_targets, depth_stencil, SFLAG_INTEXTURE);
2114 }
2115 else
2116 {
2117 context_apply_fbo_state(context, GL_FRAMEBUFFER, NULL, NULL, SFLAG_INDRAWABLE);
2118 }
2119
2120 LEAVE_GL();
2121 }
2122
2123 context_apply_draw_buffers(context, rt_count, rts);
2124 context->draw_buffer_dirty = TRUE;
2125
2126 if (context->last_was_blit)
2127 {
2128 device->frag_pipe->enable_extension(TRUE);
2129 }
2130
2131 /* Blending and clearing should be orthogonal, but tests on the nvidia
2132 * driver show that disabling blending when clearing improves the clearing
2133 * performance incredibly. */
2134 ENTER_GL();
2135 glDisable(GL_BLEND);
2136 glEnable(GL_SCISSOR_TEST);
2137 checkGLcall("glEnable GL_SCISSOR_TEST");
2138 LEAVE_GL();
2139
2140 context->last_was_blit = FALSE;
2141 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), state_table);
2142 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE), state_table);
2143 Context_MarkStateDirty(context, STATE_SCISSORRECT, state_table);
2144 }
2145
2146 /* Context activation is done by the caller. */
2147 void context_apply_draw_state(struct wined3d_context *context, IWineD3DDeviceImpl *device)
2148 {
2149 const struct StateEntry *state_table = device->StateTable;
2150 unsigned int i;
2151
2152 /* Preload resources before FBO setup. Texture preload in particular may
2153 * result in changes to the current FBO, due to using e.g. FBO blits for
2154 * updating a resource location. */
2155 IWineD3DDeviceImpl_FindTexUnitMap(device);
2156 device_preload_textures(device);
2157 if (isStateDirty(context, STATE_VDECL))
2158 device_update_stream_info(device, context->gl_info);
2159
2160 if (wined3d_settings.offscreen_rendering_mode == ORM_FBO)
2161 {
2162 context_validate_onscreen_formats(device, context, device->depth_stencil);
2163
2164 if (!context->render_offscreen)
2165 {
2166 ENTER_GL();
2167 context_apply_fbo_state(context, GL_FRAMEBUFFER, NULL, NULL, SFLAG_INDRAWABLE);
2168 LEAVE_GL();
2169 }
2170 else
2171 {
2172 ENTER_GL();
2173 context_apply_fbo_state(context, GL_FRAMEBUFFER, device->render_targets,
2174 device->depth_stencil, SFLAG_INTEXTURE);
2175 LEAVE_GL();
2176 }
2177 }
2178
2179 if (context->draw_buffer_dirty)
2180 {
2181 context_apply_draw_buffers(context, context->gl_info->limits.buffers, device->render_targets);
2182 context->draw_buffer_dirty = FALSE;
2183 }
2184
2185 if (context->last_was_blit)
2186 {
2187 device->frag_pipe->enable_extension(TRUE);
2188 }
2189
2190 ENTER_GL();
2191 for (i = 0; i < context->numDirtyEntries; ++i)
2192 {
2193 DWORD rep = context->dirtyArray[i];
2194 DWORD idx = rep / (sizeof(*context->isStateDirty) * CHAR_BIT);
2195 BYTE shift = rep & ((sizeof(*context->isStateDirty) * CHAR_BIT) - 1);
2196 context->isStateDirty[idx] &= ~(1 << shift);
2197 state_table[rep].apply(rep, device->stateBlock, context);
2198 }
2199 LEAVE_GL();
2200 context->numDirtyEntries = 0; /* This makes the whole list clean */
2201 context->last_was_blit = FALSE;
2202 }
2203
2204 static void context_setup_target(IWineD3DDeviceImpl *device,
2205 struct wined3d_context *context, IWineD3DSurfaceImpl *target)
2206 {
2207 BOOL old_render_offscreen = context->render_offscreen, render_offscreen;
2208 const struct StateEntry *StateTable = device->StateTable;
2209
2210 if (!target) return;
2211 render_offscreen = surface_is_offscreen(target);
2212 if (context->current_rt == target && render_offscreen == old_render_offscreen) return;
2213
2214 /* To compensate the lack of format switching with some offscreen rendering methods and on onscreen buffers
2215 * the alpha blend state changes with different render target formats. */
2216 if (!context->current_rt)
2217 {
2218 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable);
2219 }
2220 else
2221 {
2222 const struct wined3d_format *old = context->current_rt->resource.format;
2223 const struct wined3d_format *new = target->resource.format;
2224
2225 if (old->id != new->id)
2226 {
2227 /* Disable blending when the alpha mask has changed and when a format doesn't support blending. */
2228 if ((old->alpha_mask && !new->alpha_mask) || (!old->alpha_mask && new->alpha_mask)
2229 || !(new->flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING))
2230 {
2231 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE), StateTable);
2232 }
2233 /* Update sRGB writing when switching between formats that do/do not support sRGB writing */
2234 if ((old->flags & WINED3DFMT_FLAG_SRGB_WRITE) != (new->flags & WINED3DFMT_FLAG_SRGB_WRITE))
2235 {
2236 Context_MarkStateDirty(context, STATE_RENDER(WINED3DRS_SRGBWRITEENABLE), StateTable);
2237 }
2238 }
2239
2240 /* When switching away from an offscreen render target, and we're not
2241 * using FBOs, we have to read the drawable into the texture. This is
2242 * done via PreLoad (and SFLAG_INDRAWABLE set on the surface). There
2243 * are some things that need care though. PreLoad needs a GL context,
2244 * and FindContext is called before the context is activated. It also
2245 * has to be called with the old rendertarget active, otherwise a
2246 * wrong drawable is read. */
2247 if (wined3d_settings.offscreen_rendering_mode != ORM_FBO
2248 && old_render_offscreen && context->current_rt != target)
2249 {
2250 /* Read the back buffer of the old drawable into the destination texture. */
2251 if (context->current_rt->texture_name_srgb)
2252 {
2253 surface_internal_preload(context->current_rt, SRGB_BOTH);
2254 }
2255 else
2256 {
2257 surface_internal_preload(context->current_rt, SRGB_RGB);
2258 }
2259
2260 surface_modify_location(context->current_rt, SFLAG_INDRAWABLE, FALSE);
2261 }
2262 }
2263
2264 context->draw_buffer_dirty = TRUE;
2265 context->current_rt = target;
2266 context_set_render_offscreen(context, StateTable, render_offscreen);
2267 }
2268
2269 /* Do not call while under the GL lock. */
2270 struct wined3d_context *context_acquire(IWineD3DDeviceImpl *device, IWineD3DSurfaceImpl *target)
2271 {
2272 struct wined3d_context *current_context = context_get_current();
2273 struct wined3d_context *context;
2274
2275 TRACE("device %p, target %p.\n", device, target);
2276
2277 context = FindContext(device, target);
2278 context_setup_target(device, context, target);
2279 context_enter(context);
2280 if (!context->valid) return context;
2281
2282 if (context != current_context)
2283 {
2284 if (!context_set_current(context)) ERR("Failed to activate the new context.\n");
2285 else device->frag_pipe->enable_extension(!context->last_was_blit);
2286
2287 if (context->vshader_const_dirty)
2288 {
2289 memset(context->vshader_const_dirty, 1,
2290 sizeof(*context->vshader_const_dirty) * device->d3d_vshader_constantF);
2291 device->highest_dirty_vs_const = device->d3d_vshader_constantF;
2292 }
2293 if (context->pshader_const_dirty)
2294 {
2295 memset(context->pshader_const_dirty, 1,
2296 sizeof(*context->pshader_const_dirty) * device->d3d_pshader_constantF);
2297 device->highest_dirty_ps_const = device->d3d_pshader_constantF;
2298 }
2299 }
2300 else if (context->restore_ctx)
2301 {
2302 if (!pwglMakeCurrent(context->hdc, context->glCtx))
2303 {
2304 DWORD err = GetLastError();
2305 ERR("Failed to make GL context %p current on device context %p, last error %#x.\n",
2306 context->hdc, context->glCtx, err);
2307 }
2308 }
2309
2310 return context;
2311 }
Quick hack tree for wine patches julliard doesn't want to commit